Company lists · Data refreshed September 2026

Top 25 Environmental engineering firms based in Chicago, United States

Name: Environmental engineering firms based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 48 companies tracked

RevenueBase identified 48 company matches for environmental engineering firms associated with Chicago, United States as of September 2026 and tracks 2,305 professional contacts across them, including 1,166 with verified work emails. Across the United States, Houston is the largest hub for this category (138 companies); Chicago has 48.

This list covers company matches for environmental engineering firms associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built

48Companies

2,305Contacts tracked

1,166Verified emails

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The 25 largest environmental engineering firms based in Chicago, United States

Ranked by team size

Top 25 of 48 company matches for environmental engineering firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	HBK Engineering, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	501-1,000	674 contacts →
	Exact match “HBK Engineering, LLC a Quanta Services Company is a fully licensed, professional engineering design firm headquartered in downtown Chicago providing civil, environmental…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Collins Engineers, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	201-500	432 contacts →
	Exact match “In 1979, Collins Engineers, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Infrastructure Engineering INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	201-500	224 contacts →
	Exact match “Infrastructure Engineering Inc.(IEI) is a majority African American-owned, multi-disciplinary consulting firm with offices in eight states that delivers design engineering…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	ESD NOW Stantec Consulting Services	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	201-500	208 contacts →
	Exact match “A global company, ESD is a leader in Improving Society Through the Built Environment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Singh Associates, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	51-200	110 contacts →
	Exact match “For more than 30 years, SINGH + Associates has been meeting and exceeding our clients’ expectations for high quality planning, design and engineering services delivered with care…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Environmental Design International INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	51-200	68 contacts →
	Exact match “Clients can trust Environmental Design International inc.(EDI) to be responsive, demonstrate technical excellence, adhere to the demands of budgets and schedules, and offer…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Ciorba Group, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	51-200	66 contacts →
	Exact match “Ciorba Group has been providing professional engineering services to various state and local governmental agencies for over 95 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Carnow, Conibear & Assoc., LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	52 contacts →
	Exact match “Carnow, Conibear & Assoc, Ltd.(Carnow Conibear), a minority-owned, woman-owned and veteran-owned business, was established in 1975.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Greenprint Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	41 contacts →
	Exact match “Greenprint Partners is an award-winning consulting firm specializing in community-centered environmental infrastructure.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Specialty Consulting, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	51-200	37 contacts →
	Exact match “Specialty Consulting, Inc.(SPC) is a Hispanic–owned, infrastructure engineering and scientific consulting firm based in Chicago.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Mcguire Engineers	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	35 contacts →
	Exact match “Founded in 1986 in Chicago, McGuire Engineers, Inc.(MEPC) has been providing engineering services to clients worldwide for over 30 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	SRS Sustainment And Restoration Services	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	34 contacts →
	Exact match “SRS provides engineering, science, and construction services to deliver sustainable facility design and construction including the restoration of previously used sites for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Antero Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	30 contacts →
	Exact match “Civil Engineering \| Urban & Rural Planning \| Economic Development \| Grant Services \| Branding & Marketing \| Environmental Antero Group is an interdisciplinary firm that integrates…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Gabriel Environmental Services	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	28 contacts →
	Exact match “Gabriel Environmental Services is a multi-disciplinary environmental consulting firm headquartered just northwest of downtown Chicago.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Orion Engineers, Pllc	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	23 contacts →
	Exact match “Orion Engineers, PLLC is a civil, structural & construction engineering consulting firm based in the Midwest delivering planning, design, and construction management services to…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Callan Consulting Engineers, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	20 contacts →
	Exact match “Our Team, Your Building - It’s a Perfect Fit At Callan Consulting Engineers, we provide professional engineering guidance from project inception to post-occupancy, including…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Carlson Environmental, A Nova Group, GBC Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Carlson Environmental, a Nova Group, GBC Company, was originally founded in 1988 by Dr.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Nijman Franzetti, LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	1-10	15 contacts →
	Exact match “We are a boutique environmental law firm representing corporate, municipal and individual clients regarding water, waste and air issues in areas of compliance counseling…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	EPS Environmental Services, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “Since its incorporation in 1992, EPS Environmental has provided a broad range of environmental services, including thousands of property assessments, several thousand Phase II…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	The Astor Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	7 contacts →
	Exact match “The Astor Company opened its doors almost 20 years ago as a cardboard recycling company, beginning a journey of continuous adaptation and evolution which today finds a world-class…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Allegro Civil Engineers	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	1-10	6 contacts →
	Exact match “A consulting civil engineering firm headquartered in Chicago, Illinois.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Environmental Group Services Limited Egsl	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	11-50	4 contacts →
	Exact match “Environmental Group Services, Ltd.(EGSL) is a full service environmental engineering, training and consulting company located in Chicago, Illinois.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	JLR Designs	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Bollman Engineering	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “Bollman Engineering is a civil engineering firm, that blends excellence and innovation in every project.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Cadenza Environmental LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “Environmental Engineering and Consulting Services” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental engineering firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 48 environmental engineering firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 1,166 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental engineering firms based in Chicago, United States at a glance

As of Sep 16, 2026

50.6%Verified-email coverage

48.0Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 48 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Chicago, United States whose business descriptions match “environmental engineering firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,166 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Environmental engineering firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “environmental engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental engineering firms are there based in Chicago, United States?

RevenueBase identified 48 company matches for environmental engineering firms associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

HBK Engineering, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most environmental engineering firms?

Houston leads the United States with 138 company records, followed by New York (101) and Austin (73). Chicago has 48.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,166 professional contacts with verified work emails tracked across these 48 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.